How Super Shoes Are Changing Marathon Pacing Strategy, Not Just Finish Times
A new analysis of World Marathon Majors data reveals that advanced footwear didn’t just make runners faster — it changed how they race, with important differences between men and women.
Run Long Run Healthy
Can Collagen Supplements Help Protect Female Runners From Bone Stress Injuries?
A new study in high-mileage female runners found encouraging shifts in bone formation and inflammation markers after just four weeks of collagen supplementation — but the full picture is more nuanced.
Run Long Run Healthy
Can Your “Training Stress Score” Predict Running Injuries?
The ACWR is one of running’s most popular injury-prevention tools — but a large GPS study of 461 runners raises serious doubts about how well it actually works.
Run Long Run Healthy
Do Super Shoes Work On Trails Too?
Advanced footwear technology delivers real gains on roads — but trails are a different story. Here’s what new research found when it tested super shoes where it actually counts.
Run Long Run Healthy
Should You Trust a Portable Sweat Sodium Test? Here’s What the Science Says
New research puts two popular sweat analyzers to the test — and the results are promising but come with a catch every runner should know.
Run Long Run Healthy
California International Marathon Will Double Its Field And Extend The Cutoff Time in 2027
Sacramento’s flat, fast marathon plans to add a second wave, pushing capacity toward 20,000 runners and extending the six-hour cutoff by up to an hour.
Jessy Carveth
Treadmill Running Gets Its First World Championship, With a $100,000 Prize Pool
World Athletics and Technogym have opened registration for RUN X, a 5km global competition staged on connected treadmills in gyms, universities and hotels. The first final is set for March 2027 in Italy.
Race Coverage
Most Runners Know to Eat More Carbs On Hard Days — But Most Aren’t Actually Doing It.
New research tracking 46 endurance athletes for 12 weeks found a wide gap between carbohydrate periodization in theory and what athletes actually eat day to day.
Run Long Run Healthy
How to Calculate Your Marathon Pace? (Even If You’ve Never Run a Marathon) | June Mailbag
Watch or listen to the latest episode of the Marathon Handbook Podcast below. More From The Marathon Handbook Podcast
Podcast
The World’s Biggest Running Newsletter
333,209 runners and counting.
Join the world’s biggest running newsletter, and wake up every day to the latest running stories, tips, reviews, and more:
Our Podcasts
Our Editor’s Picks
Shoes & Gear
Our Gear Picks:
Running.
In Your Inbox, Daily.
Join the world’s biggest running newsletter, and wake up every day to the latest running tips, reviews, and stories.
It’s quick to read, free, and loved by 333,209 runners and counting.
By subscribing you agree to our Privacy Policy.
